You'd better ditch the dollar-store duds if you're even thinking of competing with the 500,000 expected drunken revelers who've been getting buzzed since Labor Day at the annual West Hollywood Halloween Carnaval, better known as the “largest Halloween street party in the world.” That's nearly half a million tricks — and some treats. This year's fest, themed “One Noir Night in West Hollywood,” promises six stages, 50 performers, food trucks and the always fierce costume contest. Performers include Vaud & the Villains, Lynda Kay, Better Off Blonde, Gavin Turek, Velvet Martini and DJs including Zen Freeman, Moses Truzman, Max Von Ville and Aaron Colbert. Who or what will be 2013's trendiest costumes? The royal baby? Miley Cyrus? A pregnant Kim Kardashian? (That's going to require a lot of padding on both ends.) Just don't drink and twerk. Along Santa Monica Boulevard, between Doheny Drive and La Cienega Boulevard; Thurs., Oct. 31, 6-11 p.m.; free. (323) 848- 6503, visit westhollywood.com/halloween-carnaval.

Thu., Oct. 31, 6-11 p.m., 2013

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